Home / 28,476.24-39,286.80-17,862

Finding the Fourth Proportional to 28,476.24, 39,286.80 and 17,862

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Solution

The fourth proportional to 28,476.24, 39,286.80 and 17,862 is: 24,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.24 : 39,286.80 = 17,862 : x
  2. Step 2: Convert to fraction form
    28,476.24/39,286.80 = 17,862/x
  3. Step 3: Cross multiply
    28,476.24x = 39,286.80 × 17,862
  4. Step 4: Simplify right side
    28,476.24x = 701,740,821.60
  5. Step 5: Solve for x
    x = 701,740,821.60/28,476.24
  6. Step 6: Final answer
    x = 24,643.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.